fix #26141, add support for type arguments to constants

pkg/analyzer/test/src/dart/constant/evaluation_test.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.test.constant_test;
 
 import 'package:analyzer/context/declared_variables.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 12 matching lines @@
 
 import '../../../generated/resolver_test_case.dart';
 import '../../../generated/test_support.dart';
 import '../../../reflective_tests.dart';
 import '../../../utils.dart';
 
 main() {
   initializeTestEnvironment();
   runReflectiveTests(ConstantValueComputerTest);
   runReflectiveTests(ConstantVisitorTest);
+  runReflectiveTests(StrongConstantValueComputerTest);
 }
 
 /**
  * Implementation of [ConstantEvaluationValidator] used during unit tests;
  * verifies that any nodes referenced during constant evaluation are present in
  * the dependency graph.
  */
 class ConstantEvaluationValidator_ForTest
     implements ConstantEvaluationValidator {
   final InternalAnalysisContext context;
@@ skipping 1550 matching lines @@
     ErrorReporter errorReporter = new ErrorReporter(errorListener, source);
     DartObjectImpl result = expression.accept(new ConstantVisitor(
         new ConstantEvaluationEngine(typeProvider, new DeclaredVariables(),
             typeSystem: typeSystem),
         errorReporter,
         lexicalEnvironment: lexicalEnvironment));
     errorListener.assertNoErrors();
     return result;
   }
 }
+
+@reflectiveTest
+class StrongConstantValueComputerTest extends ConstantValueComputerTest {
+  void setUp() {
+    super.setUp();
+    resetWithOptions(new AnalysisOptionsImpl()..strongMode = true);
+  }
+}